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Analysis
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max time kernel
217s -
max time network
221s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2023, 19:31
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.iyfubh.com
Resource
win10v2004-20231023-en
General
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Target
http://www.iyfubh.com
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 552 firefox.exe Token: SeDebugPrivilege 552 firefox.exe Token: SeDebugPrivilege 552 firefox.exe Token: SeDebugPrivilege 552 firefox.exe Token: SeDebugPrivilege 552 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 552 firefox.exe 552 firefox.exe 552 firefox.exe 552 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 552 firefox.exe 552 firefox.exe 552 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 552 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 4376 wrote to memory of 552 4376 firefox.exe 24 PID 552 wrote to memory of 3280 552 firefox.exe 85 PID 552 wrote to memory of 3280 552 firefox.exe 85 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3328 552 firefox.exe 86 PID 552 wrote to memory of 3616 552 firefox.exe 87 PID 552 wrote to memory of 3616 552 firefox.exe 87 PID 552 wrote to memory of 3616 552 firefox.exe 87 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://www.iyfubh.com"1⤵
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://www.iyfubh.com2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.0.862060309\1914807400" -parentBuildID 20221007134813 -prefsHandle 1928 -prefMapHandle 1920 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {cd72e560-32fc-4347-9b3d-af5839bc09b7} 552 "\\.\pipe\gecko-crash-server-pipe.552" 2008 28d75cd6d58 gpu3⤵PID:3280
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.1.221955411\703388613" -parentBuildID 20221007134813 -prefsHandle 2408 -prefMapHandle 2404 -prefsLen 21754 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {32ebe362-fe11-49d5-a091-dabbbac01685} 552 "\\.\pipe\gecko-crash-server-pipe.552" 2424 28d75c03258 socket3⤵PID:3328
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.2.929862461\1256073327" -childID 1 -isForBrowser -prefsHandle 2972 -prefMapHandle 3092 -prefsLen 21857 -prefMapSize 232675 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {39f36f71-bb4a-4278-ab7d-240760b19472} 552 "\\.\pipe\gecko-crash-server-pipe.552" 3120 28d79ee8658 tab3⤵PID:3616
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.3.1764260696\1749002787" -childID 2 -isForBrowser -prefsHandle 3552 -prefMapHandle 3372 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {11e74c0e-80ff-465d-bcad-084843b4644e} 552 "\\.\pipe\gecko-crash-server-pipe.552" 3648 28d7b222f58 tab3⤵PID:4712
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.4.399662414\1166923944" -childID 3 -isForBrowser -prefsHandle 5080 -prefMapHandle 5060 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c56f7d22-7d59-4233-a97b-4688bb081d07} 552 "\\.\pipe\gecko-crash-server-pipe.552" 5036 28d7be3dc58 tab3⤵PID:1508
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.5.668775901\362372589" -childID 4 -isForBrowser -prefsHandle 5200 -prefMapHandle 5204 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1e998dbb-62cf-414b-a7a1-0793314a81c8} 552 "\\.\pipe\gecko-crash-server-pipe.552" 5192 28d7c68ee58 tab3⤵PID:1740
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="552.6.307491442\1650999777" -childID 5 -isForBrowser -prefsHandle 5396 -prefMapHandle 5400 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6c6ac661-6b05-42ee-81d4-d3f7de6b70ff} 552 "\\.\pipe\gecko-crash-server-pipe.552" 5384 28d7c68f458 tab3⤵PID:2316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\snaxaw5u.default-release\activity-stream.discovery_stream.json.tmp
Filesize22KB
MD5c948920785ee1272437096481e5543ba
SHA12c430d0995e0c1642f1a90b328c4081378e12a51
SHA256c907706ba2a12b097759617bad1404e324bc1a0ca1af99fd5b3696102ae6d657
SHA512ed7339f5dafebde95095f899de518b40b094fd18161db1bc4e66c4d14f23307ebc43bbcb09a3656671e452139f331dd8c16738a6ce1857aa41fa78c8e7549572
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\snaxaw5u.default-release\cache2\entries\51D52D298316CD3F9A90A40E946BB34EFA1BFB72
Filesize13KB
MD524dd795e882ea6146d57246214c4117e
SHA1f9bdc84f4edf8952687125fcc2dee135767523ca
SHA256e919acbc66101b60d75ad73b757048916e27c905977016a187a0e53aab1c843f
SHA512f128064cf7e34058c5a2bfe3d245500ab02742f075221bbc4ce0dbd96e5ee8a71f50c2e352bc98383c95b52775224fba0c4e5cc283a6297640ac8e32834de429
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Filesize
442KB
MD585430baed3398695717b0263807cf97c
SHA1fffbee923cea216f50fce5d54219a188a5100f41
SHA256a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
SHA51206511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1
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Filesize
8.0MB
MD5a01c5ecd6108350ae23d2cddf0e77c17
SHA1c6ac28a2cd979f1f9a75d56271821d5ff665e2b6
SHA256345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
SHA512b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
Filesize997KB
MD5fe3355639648c417e8307c6d051e3e37
SHA1f54602d4b4778da21bc97c7238fc66aa68c8ee34
SHA2561ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
SHA5128f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
Filesize116B
MD53d33cdc0b3d281e67dd52e14435dd04f
SHA14db88689282fd4f9e9e6ab95fcbb23df6e6485db
SHA256f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
SHA512a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
Filesize479B
MD549ddb419d96dceb9069018535fb2e2fc
SHA162aa6fea895a8b68d468a015f6e6ab400d7a7ca6
SHA2562af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
SHA51248386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
Filesize372B
MD58be33af717bb1b67fbd61c3f4b807e9e
SHA17cf17656d174d951957ff36810e874a134dd49e0
SHA256e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
SHA5126125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
Filesize11.8MB
MD533bf7b0439480effb9fb212efce87b13
SHA1cee50f2745edc6dc291887b6075ca64d716f495a
SHA2568ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
SHA512d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
Filesize1KB
MD5688bed3676d2104e7f17ae1cd2c59404
SHA1952b2cdf783ac72fcb98338723e9afd38d47ad8e
SHA25633899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
SHA5127a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
Filesize1KB
MD5937326fead5fd401f6cca9118bd9ade9
SHA14526a57d4ae14ed29b37632c72aef3c408189d91
SHA25668a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
SHA512b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2
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Filesize
8KB
MD5d5deaa72019e11ff59a1610b917b9a26
SHA18c29664055d39b922bf8c42155dcc6b419ab02fa
SHA256e57fd2d87c7398e3a31fb3ee655d475ad4df609bc535fc45ba457a98fb3e284b
SHA512d613d492f4fa34435f242bd13ef7748fc85a4e52d46623d98b4651b411b97d970cc1ce77fab95d9dcf6ec2c97a6c35aafb4b3ec4cf97bfdce7dccafd1302ccbc
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Filesize
7KB
MD52399982841e7933bf4413262b7e2c0f5
SHA113bbe56030a00fa8c81b8be5af6630a011f3844a
SHA25691d31cefc5ec4f49e39195ca0411c7c393bfd7f4cd6c0ecde40910ae53118f3f
SHA512244f41ff00819cbd9435f234729e0d87b6dd8682ca7b504d3bbf132f9101745f0c642762428b3be739f3fd87caddfdc9f7a38e2b34077fb79ba0f29741985b71
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Filesize
6KB
MD52dda0d2bbafa02373b6a3c26db1c6f8c
SHA1ed324a515dbb30bfb71840d0430bf673424ed96a
SHA25656c152d6dc175aa9a0a63f3476559823bc77b3505edd4a75fe9be2bbd2662aa6
SHA51292c9cf76bfc33a5b7a8143d4c62eed59f9b4bc7c72dc2ad21b98cb1b626bf8b7893206f944608aa65bd01b3b8d8e43ccdd9460b46449a1a7f9540c648ff4654e
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\sessionstore-backups\recovery.jsonlz4
Filesize1KB
MD5a4801f5fece903b5258d41658de973d7
SHA1e966abd006a408a0a450af3942388e05cd8112d6
SHA2563c9b53b7c1409890826c4325273fb65a18b0d956f7ea27615b87704089229f70
SHA512ceca46be00bd7a71593b8edfa729b9303d1cb59fee729b12df8046d04d6f6734520b1c4f6f9ab9ae1d358bfadc7a637e27c643eed6c9fa8cd711af1acae31f83
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
Filesize1.4MB
MD5a34cff058d9fa4faa8050bd5f6d12a0b
SHA12a2475670ad478093c2bbab1e4cddf1207fab218
SHA2560c716f7cb8c7e92dd18affecd94ebb69b36f09b446ac71ef0b49cb85290c9d9b
SHA51284db0f16ab7430c2019f215d5565a7c3a9a942a211770775f165be2adc338c7cce6c7530bb2132ed0e88058c9446e414d8f473f17acacf96d07432e9922acd1e